search_query.pubmed.parser

Pubmed query parser.

Classes

`PubmedListParser`(query_list, *[, field_general])	Parser for Pubmed (list format) queries.
`PubmedParser`(query_str, *[, field_general, ...])	Parser for Pubmed queries.

class search_query.pubmed.parser.PubmedListParser(query_list: str, *, field_general: str = '')

Bases: QueryListParser

Parser for Pubmed (list format) queries.

parse() → Query: Parse the query in list format.

class search_query.pubmed.parser.PubmedParser(query_str: str, *, field_general: str = '', offset: dict | None = None, original_str: str | None = None, silent: bool = False)

Bases: QueryStringParser

Parser for Pubmed queries.

FIELD_REGEX = re.compile('\\[[^\\[]*?\\]')

LOGIC_OPERATOR_REGEX = re.compile('(\\||&|\\b(?:AND|OR|NOT|:)\\b)(?!\\s?\\[[^\\[]*?\\])')

PARENTHESIS_REGEX = re.compile('[\$\$]')

PROXIMITY_REGEX = re.compile('^\\[(.+):~(.*)\\]$')

SEARCH_PHRASE_REGEX = re.compile('\\".*?\\"')

TERM_REGEX = re.compile('[^\\s\\[\\]()\\|&]+')

parse() → Query: Parse a query string

parse_query_tree(tokens: list) → Query: Parse a query from a list of tokens

pattern = re.compile('\\[[^\\[]*?\\]|(\\||&|\\b(?:AND|OR|NOT|:)\\b)(?!\\s?\\[[^\\[]*?\\])|[\$\$]|\\".*?\\"|[^\\s\\[\\]()\\|&]+', re.IGNORECASE)

tokenize() → None: Tokenize the query_str